xref: /freebsd/libexec/rtld-elf/rtld_printf.h (revision f4b37ed0f8b307b1f3f0f630ca725d68f1dff30d)
1 /*-
2  * Copyright 2011 Konstantin Belousov <kib@FreeBSD.org>.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 
28 #ifndef RTLD_PRINTF_H
29 #define RTLD_PRINTF_H 1
30 
31 #include <sys/cdefs.h>
32 #include <unistd.h>
33 
34 int rtld_snprintf(char *buf, size_t bufsize, const char *fmt, ...)
35     __printflike(3, 4);
36 int rtld_vsnprintf(char *buf, size_t bufsize, const char *fmt, va_list ap);
37 int rtld_vfdprintf(int fd, const char *fmt, va_list ap);
38 int rtld_fdprintf(int fd, const char *fmt, ...) __printflike(2, 3);
39 void rtld_fdputstr(int fd, const char *str);
40 void rtld_fdputchar(int fd, int c);
41 
42 #define	rtld_printf(...) rtld_fdprintf(STDOUT_FILENO, __VA_ARGS__)
43 #define	rtld_putstr(str) rtld_fdputstr(STDOUT_FILENO, (str))
44 #define	rtld_putchar(c) rtld_fdputchar(STDOUT_FILENO, (c))
45 
46 #endif
47